Spine cage



FIG. 1 is a top-front-right perspective view of a spine cage;

FIG. 2 is a top-rear-left perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top narrow side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a bottom narrow side view thereof;

FIG. 7 is a right wide side view thereof; and,

FIG. 8 is a left wide side view thereof.

The broken lines shown throughout the views of the drawings are for the purpose of illustrating portions of the spine cage, and form no part of the claimed design. The shade lines represent the claimed surfaces of the design, and do not represent surface ornamentation. 

CLAIM The ornamental design for a spine cage, as shown and described. 